Question

how can an outlier affect your data? it can cause your mean, standard deviation, and range to increase or decrease. it can change the median. nothing happens. it can only cause the mean to increase or decrease.

Explanation:

An outlier is an extreme value in a data - set. It can significantly affect the mean, standard deviation, and range. The mean is sensitive to extreme values. The standard deviation measures the spread of data and is also affected by outliers. The range is the difference between the maximum and minimum values and is directly influenced by outliers. The median is less affected by outliers as it is the middle value.

Answer:

It can cause your mean, standard deviation, and range to increase or decrease.